Pith Number

pith:PUITT7MJ

pith:2011:PUITT7MJHSRENM2HVZBUS4YAFM

not attested not anchored not stored refs pending

Mg2 gradients as a signature of brightest cluster galaxy evolution

P. Sanchez-Blazquez, S. I. Loubser

arxiv:1104.2376 v1 · 2011-04-13 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUITT7MJHSRENM2HVZBUS4YAFM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:02:32.393415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d1139fd893ca246b347ae434973002b16e912f3715e2bb36ba28093a0228aa8

Aliases

arxiv: 1104.2376 · arxiv_version: 1104.2376v1 · doi: 10.48550/arxiv.1104.2376 · pith_short_12: PUITT7MJHSRE · pith_short_16: PUITT7MJHSRENM2H · pith_short_8: PUITT7MJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PUITT7MJHSRENM2HVZBUS4YAFM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7d1139fd893ca246b347ae434973002b16e912f3715e2bb36ba28093a0228aa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef48067ab173c5165d224a93688df6d653306b4bda5c0044839b45e6d76f89bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-13T04:43:40Z",
    "title_canon_sha256": "c5e731296958626ca26202980d8b6c25a528db1a9e423aab489625343bd71573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2376",
    "kind": "arxiv",
    "version": 1
  }
}